资讯

IFLScience on MSN8 天
Many Mammals Have Evolved To Be Semi-Aquatic. Curiously, Echidnas May Have Gone The Other Way
An analysis of the interior of a single bone suggests its owner was probably an aquatic or semi-aquatic animal. Since the ...
A 108-Million-Year-Old Bone Just Rewrote Our Understanding of the World’s Strangest Mammal
New fossil evidence suggests echidnas evolved from a water-dwelling ancestor, not a land-based one. The bone structure ...
Houston Zoo's northern caiman lizard, Phillip, beats jaw cancer and returns to exhibit
Phillip, the Houston Zoo's northern caiman lizard, beat jaw cancer and is back on exhibit at the zoo. After a battle with jaw ...
Echidna Species Lived Watery Lifestyles Like Platypuses: Study
As the world's only surviving egg-laying mammals, Australasia's platypus and four echidna species are among the most ...
Echidna ancestors lived watery lifestyles like platypuses 100 million years ago – new study
A controversial idea suggests the ancestors of echidnas were more like the platypus. For the first time, fossil evidence ...
Smithsonian Magazine6 天
A Single Prehistoric Bone Might Rewrite the History of the World’s Strangest Mammals
The thicker walls function as ballast that helps semiaquatic animals dive ... While dozens of examples exist of marine and semi-aquatic mammals evolving from land-based mammals—such as whales ...
AZ Animals on MSN10 天
Fascinating New Findings at Ashfall Fossil Beds
The skeletons of over 100 prehistoric rhinos have been found at Ashfall Fossil Beds in northeast Nebraska, but why were there ...
BBC4 年
Hippo facts
The river supports around 2,000 of these semi–aquatic animals, including a group of eight or so near to the Big Cat camp. Hippos mostly rest or sleep in the day, lying out on the river bank and ...